EP3276028A4 - Ferrite-austenite stainless steel sheet with excellent sheared end face corrosion resistance - Google Patents

Ferrite-austenite stainless steel sheet with excellent sheared end face corrosion resistance Download PDF

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Publication number
EP3276028A4
EP3276028A4 EP16768525.4A EP16768525A EP3276028A4 EP 3276028 A4 EP3276028 A4 EP 3276028A4 EP 16768525 A EP16768525 A EP 16768525A EP 3276028 A4 EP3276028 A4 EP 3276028A4
Authority
EP
European Patent Office
Prior art keywords
ferrite
stainless steel
steel sheet
corrosion resistance
austenite stainless
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16768525.4A
Other languages
German (de)
French (fr)
Other versions
EP3276028B1 (en
EP3276028A1 (en
Inventor
Eiichiro Ishimaru
Masatomo Kawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Stainless Steel Corp
Original Assignee
Nippon Steel and Sumikin Stainless Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Steel and Sumikin Stainless Steel Corp filed Critical Nippon Steel and Sumikin Stainless Steel Corp
Publication of EP3276028A1 publication Critical patent/EP3276028A1/en
Publication of EP3276028A4 publication Critical patent/EP3276028A4/en
Application granted granted Critical
Publication of EP3276028B1 publication Critical patent/EP3276028B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
EP16768525.4A 2015-03-26 2016-03-14 Ferrite-austenite stainless steel sheet with excellent sheared end face corrosion resistance Active EP3276028B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015065028 2015-03-26
PCT/JP2016/057967 WO2016152622A1 (en) 2015-03-26 2016-03-14 Ferrite-austenite stainless steel sheet with excellent sheared end face corrosion resistance

Publications (3)

Publication Number Publication Date
EP3276028A1 EP3276028A1 (en) 2018-01-31
EP3276028A4 true EP3276028A4 (en) 2018-08-08
EP3276028B1 EP3276028B1 (en) 2020-01-15

Family

ID=56977344

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16768525.4A Active EP3276028B1 (en) 2015-03-26 2016-03-14 Ferrite-austenite stainless steel sheet with excellent sheared end face corrosion resistance

Country Status (7)

Country Link
EP (1) EP3276028B1 (en)
JP (1) JP6379282B2 (en)
KR (1) KR101973309B1 (en)
CN (1) CN107429341B (en)
ES (1) ES2773868T3 (en)
TW (1) TWI654320B (en)
WO (1) WO2016152622A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6895864B2 (en) * 2016-10-06 2021-06-30 日鉄ステンレス株式会社 Duplex stainless steel, duplex stainless steel plate and duplex stainless linear steel with excellent corrosion resistance on sheared surfaces
JP6384638B1 (en) * 2017-01-23 2018-09-05 Ｊｆｅスチール株式会社 Ferritic / austenitic duplex stainless steel sheet
JP7005396B2 (en) * 2018-03-14 2022-01-21 日鉄ステンレス株式会社 Ferrite-austenite two-phase stainless steel sheet for automobile fasteners
JP7266976B2 (en) * 2018-07-27 2023-05-01 日鉄ステンレス株式会社 Ferrite-Austenite Duplex Stainless Steel Sheet with Excellent Strength and Corrosion Resistance at Spot Welds and Manufacturing Method Thereof
KR102902789B1 (en) * 2020-03-30 2025-12-22 닛테츠 스테인레스 가부시키가이샤 Austenitic stainless steel
JP7414616B2 (en) * 2020-03-30 2024-01-16 日鉄ステンレス株式会社 Ferritic/austenitic duplex stainless steel sheets for building materials
JP7499621B2 (en) * 2020-06-23 2024-06-14 日鉄ステンレス株式会社 Duplex stainless steel sheet and method for producing the same
TWI774241B (en) * 2021-02-19 2022-08-11 日商日本製鐵股份有限公司 Hot-rolled steel sheet for non-oriented electrical steel sheet, method for producing hot-rolled steel sheet for non-oriented electrical steel sheet, and method for producing non-oriented electrical steel sheet
CN113063707B (en) * 2021-03-12 2023-04-18 浙江美力科技股份有限公司 Corrosion method for prior austenite grain size of tempered troostite and martensite structure
JP2023150452A (en) * 2022-03-31 2023-10-16 日鉄ステンレス株式会社 Shearing method and sheared products
CN117701978A (en) * 2023-11-27 2024-03-15 德龙钢铁有限公司 Production method of 400MPa grade steel for photovoltaic bracket

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011168838A (en) * 2010-02-18 2011-09-01 Nippon Steel & Sumikin Stainless Steel Corp Duplex stainless steel material for vacuum vessel and method for manufacturing the same
EP2684973A1 (en) * 2011-03-09 2014-01-15 Nippon Steel & Sumikin Stainless Steel Corporation Two-phase stainless steel exhibiting excellent corrosion resistance in weld
EP2770076A1 (en) * 2011-10-21 2014-08-27 Nippon Steel & Sumikin Stainless Steel Corporation Duplex stainless steel, duplex stainless steel slab, and duplex stainless steel material

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5375069A (en) 1976-12-14 1978-07-04 Nippon Chemical Ind Slowly available potashhglass fertilizer and method for producing same
JP4190993B2 (en) 2003-09-17 2008-12-03 日新製鋼株式会社 Ferritic stainless steel sheet with improved crevice corrosion resistance
JP4749881B2 (en) 2005-02-15 2011-08-17 新日鐵住金ステンレス株式会社 Ferritic stainless steel with excellent crevice corrosion resistance
JP2010137344A (en) 2008-12-15 2010-06-24 Jfe Steel Corp Shearing method of ferritic stainless steel plate having excellent shear-end-face corrosion resistance
JP5375069B2 (en) * 2008-12-15 2013-12-25 Ｊｆｅスチール株式会社 Ferritic stainless steel plate with excellent corrosion resistance on the shear end face
KR20120132691A (en) * 2010-04-29 2012-12-07 오또꿈뿌 오와이제이 Method for manufacturing and utilizing ferritic-austenitic stainless steel with high formability
FI122657B (en) * 2010-04-29 2012-05-15 Outokumpu Oy Process for producing and utilizing high formability ferrite-austenitic stainless steel
JP5329632B2 (en) * 2011-10-21 2013-10-30 新日鐵住金ステンレス株式会社 Duplex stainless steel, duplex stainless steel cast, and duplex stainless steel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011168838A (en) * 2010-02-18 2011-09-01 Nippon Steel & Sumikin Stainless Steel Corp Duplex stainless steel material for vacuum vessel and method for manufacturing the same
EP2684973A1 (en) * 2011-03-09 2014-01-15 Nippon Steel & Sumikin Stainless Steel Corporation Two-phase stainless steel exhibiting excellent corrosion resistance in weld
EP2770076A1 (en) * 2011-10-21 2014-08-27 Nippon Steel & Sumikin Stainless Steel Corporation Duplex stainless steel, duplex stainless steel slab, and duplex stainless steel material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016152622A1 *

Also Published As

Publication number Publication date
CN107429341A (en) 2017-12-01
KR20170115092A (en) 2017-10-16
JP6379282B2 (en) 2018-08-22
KR101973309B1 (en) 2019-04-26
TW201641718A (en) 2016-12-01
TWI654320B (en) 2019-03-21
JPWO2016152622A1 (en) 2017-12-07
CN107429341B (en) 2019-06-11
EP3276028B1 (en) 2020-01-15
ES2773868T3 (en) 2020-07-15
WO2016152622A1 (en) 2016-09-29
EP3276028A1 (en) 2018-01-31

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